diy projects
ESP32 AI Calculator V2 Reads Your Handwritten Equations
This open source ESP32 calculator has a camera and two displays, so it can read a handwritten equation and solve it with cloud or…
diy projects
EWatch: An Open Source ESP32-S3 Smartwatch You Can Program
EWatch packs an ESP32-S3, a 1.69-inch touchscreen, and a 350 mAh battery into a hackable wrist computer. See the parts, the power tricks, and…
esp32 & esp8266
Petoi’s Quaddle Is a Foldable ESP32-S3 Quadruped Robot for $99
Petoi packed omnidirectional walking into four servos and an ESP32-S3, then made the legs fold flat. Here is what the $99 Quaddle can actually…
news & releases
Microduck: A $399 Open-Source Biped Robot for Physical AI Labs
A 25 cm biped with 15 degrees of freedom, an 8x8 ToF LiDAR and a $399 preorder price. Here is what Microduck offers student…
diy projects
PSU-EXT Makes Any Bench Power Supply Programmable via ESP32-S3
An open source ESP32-S3 box adds SCPI control, live current charts and protection limits to any 0-25 V bench supply, no teardown required.
iot & smart home
Upline Puts an ATtiny85 Online Using 4,060 Bytes of Flash
Upline is an open source serial protocol that gets an ATtiny85 or Arduino UNO on the web through a USB cable, using 4,060 bytes…
esp32 & esp8266
ESP32 Bit Pirate v1.7 Adds Browser Tools and LoRa Debugging
ESP32 Bit Pirate v1.7 turns cheap Espressif boards into a Bus Pirate-style debug tool, now with in-browser WebUSB access and SX1262 LoRa packet sniffing.
microcontrollers
SensWear Puts an Open Source Wearable Stack on the nRF54L15
SensWear bundles an nRF54L15 board, swappable PPG, temperature and touch sensor modules, Zephyr firmware and open SDKs to fast-track wearable prototypes.
esp32 & esp8266
Focus: The Open-Source UI Framework Behind an ESP32 E-Reader
Focus is an open-source C++ framework that brings app-style menus, view controllers, and safe scheduling to the ESP32 and other tiny-RAM boards.
diy projects
Lini: An Open-Source Raspberry Pi CM5 Handheld With 40-Pin GPIO
The open-source Lini handheld runs a Raspberry Pi CM5 and breaks out a full 40-pin GPIO header with 6A rails, turning a pocket computer…
diy projects
Open Book Touch: The ESP32-S3 E-Reader Built to Be Hacked
A $149 open-source e-reader runs on an ESP32-S3, sips under a milliamp while reading, and hands you the firmware, PCB, and CAD to hack…
diy projects
The PocketMage: An Open-Source ESP32-S3 E Ink PDA Goes Live
Meet the PocketMage: an open-source ESP32-S3 pocket PDA pairing a dual E Ink and OLED display for distraction-free writing, notes, and light coding.